{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121819311",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa91adee14263145bc0fc81982db7c3f062991c386e7dbb529832813752b37ef7",
    "signature": "0x09f4a88087c0d44726d8be768aff538bd9985d57cc824fcec64f483980869e1243ccea617839fabb5c20f317471da4dd7423e3a1ca4784020ec9a319d6c9d9e51b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}