{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x7d4192304fbb77b464dc45aa3f5170aefbe295d5b9fefedf57253b1ac43fb22d",
    "signature": "0x164cdf6bfad53b8beeb55a2ebad9adf57b7713ab9c47343b36409bfcf853d2ee3afe50f7e940e96d66d3d06c723bd9cbb8b3db53de5378e3093f6600a857d0fb1c",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}