{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1653",
    "entityType": "User",
    "nonce": "0xc7c45485ff9e5786db96ec0a0c81edfa6ee1c7d4668bf7fb51744d6df0e9c7c8",
    "signature": "0xa6d562e3d4d4520e0c875c639f815943a1b9ac0a658a757615b3644b2a2410827c5b9e095a3a3f32c82324af10168c34632e71bdfcf4eebf4a1de0125604e4ad1c",
    "signer": "0xdCAf5149A8084F2C1c72dE882740656EfA9715b4",
    "userId": "994758391"
  }
}