{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd1ad9e75e5157e7b1ec9684b30d0cff303d0272351a56b7fe2354a2fd4561b57",
    "signature": "0x56d186251457a46ba02beb6fff7a339e64a4e9218d91e7a952eab7e9150e45043c18d5e99b8875bfeb850ff11d29b934e511f134db20cf39173b0b02faa3405d1c",
    "signer": "0x091073872D77097bE12f8F1807A1a16D29f2Ec79",
    "userId": "158026431"
  }
}