{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159054652",
    "entityType": "User",
    "nonce": "0x48602a59610614736f6947cdb6673073446feae49f9651e979913e4010d33723",
    "signature": "0x8204382015f1f6614c6cb755aa86c5249fdb13e0a9812b3fe7ff1556f76fa1c4181a02897a3bde38b8313ffdb42152094045f00ecec579b552034eae40db3aa01c",
    "signer": "0x57f37dA62FDB7b38d5117E84b763cDbc7085736e",
    "userId": "826489117"
  }
}