{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50722",
    "entityType": "User",
    "nonce": "0x2b75bf1d3d43f0a2cd04dcac42c9c1042128f2bd34462fa644742c1b8bf8790e",
    "signature": "0x76b4e01b584c0a55e743439f48841274fae43ba1e24b2a940e2b51bc374fa0d61dc9ee959cf99c2dd1045659fdf95b8a9740bc0e2ecb60c5d35f1a89725325e41c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}