{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6247e36fb4bac4b41dcec5c791c0f09b03d17b22861f4807976954ffb32060f5",
    "signature": "0x123e25f0ca17986be9d00eaff33cf76a79b30300a19bb108cf2de68558e47edb2277952a5912f7528ff30c98a3fda3c6af0ffd90d7c597da3ad88769fe2bcc1b1c",
    "signer": "0x14ab7027c19a202dbEA7a9218aa291D424d901e9",
    "userId": "111579"
  }
}