{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x32bd922d91839eef81ed1b33045e951e602877819ca257ec88fe5a4b1cd17968",
    "signature": "0xfa7a98c680026a06016b156f3e070fb12f4a5f7063813f39bd3acb2f01f73353082cff2d8fd72a7d157523392630d705140c5790c558aeaa2e964b5433c012441c",
    "signer": "0x0822d2024611824C3FFF1731Ea29200ed6e64463",
    "userId": "389046270"
  }
}