{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "397153",
    "entityType": "User",
    "nonce": "0x6361b375fb5364baad112067dbcd6f1d9786e020bd2054dcb32a3e672571cbef",
    "signature": "0x494be3b1627fbb5466297eab473f0d662ce546c02722393605d215b5a093b7d9429bff6667ecc336e9c98915080b002159b911c35689cb0767e26f0f8c05fd021c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}