{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x97ea4485a428d5a092841618fc7732358a9c7604674e1241347570bec3af921d",
    "signature": "0x8e59cc6d800cd4a0ac4652707969f1b3334864ba2d35352bcdb61836a8c3d2f22202919c3e93aa6a88d881dd7b79e96f85c267c5db82a2577762fd4be7e8ae0e1c",
    "signer": "0xAb74269b4Cd5892c97eACCAf5FCb7B0D78d50b35",
    "userId": "242893136"
  }
}