{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3013",
    "entityType": "User",
    "nonce": "0xb2512795797911167fca946f821a36dadb981f93ac1f4767303bd37a6cdba09e",
    "signature": "0xe3a6dabb23d7767e57d3343301f35c9cf5c15518c44c1145c7c24ee2e4e10eab6e948db5815ba6c0b33b0516e6a0e281f1be11a129219d427fa3a5786c597e731c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}