{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159054652",
    "entityType": "User",
    "nonce": "0x3117f8acc074aed378ea53db937cf18e90650d70747e748389dbfdf32841734f",
    "signature": "0x42e1048dfcb436ca003bd07e48a76c90473d392eb0b2dd2de3bfd2fd1730f4cf61bc96091113589664393b938ab217d15dd27fa4c44316f87eedaa7a01113c611b",
    "signer": "0x1C17233F08FCf5A3fF6ed6C11A36eA75235129Ea",
    "userId": "788497335"
  }
}