{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x9e8ec5f11ae647c0fcdfeae5d0882447e61fa39a94ac36bf582a8051c2187a03",
    "signature": "0x0ebde90498aeace369f0af0bf8d1f6179fd1cabb0884e98808b9920770f37dc76b9cd57d2c62191bcceb3cf378dc2cda80a8f1eec9dfb6f473fc6430b275b3e61b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}