{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40717",
    "entityType": "User",
    "nonce": "0x9f8a927835a17b64d3fa3b150684edefcdffc911f7cf013f191cdf5a7304a47d",
    "signature": "0x553a2c416e1f3474950ce156a4b33f3fd66c7f27dee6e8af66f1c942f25f79a4046c1a58422b19be9339cc9803ca81c8306149f5d5a28a826e100eb70df0757c1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}