{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1390639154",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb51daf81de71a179b274d1e5b6478ed53f0bc78408c1b1a3305414a71acd8d29",
    "signature": "0x34cb7f32391dfa07cc174ee69eb4e981dec37638ff3c416a91b2524ce8cdfcd26265723de7c28bd49e969e0a66cefe49391968cd4f4cb7a618d66462360ed78d1b",
    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}