{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486406",
    "entityType": "User",
    "nonce": "0xf6f0d34903e9e1228b82cc1716c12d48fd945ffacbf22b05d0d6071097097990",
    "signature": "0x0aeb53568e3ade310bc9e5159aeb5bea3d1f84c06a77664ecae00c14f2c60b7315c533def556d66ee249908abf0a4782d04031108c60ff2ab7afee6609b4ed9d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}