{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0xcdfe1a4db6aa41396b6f2751508ce812ce28be25c4a7b526100b4fe6c50fc062",
    "signature": "0x87283aa53e1da71bac35e8a9004e27005dd08b151d592cd74af8d19899a7a42847dceb9b4330afd6196246388b7315c3f4bf64933bf47805f2cea535f7b765dd1c",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}