{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xd3c8b0c8c865f72ca5546c6f7af76ddad8f99d2d73263a9883b35b50291b0b71",
    "signature": "0x28181d122a8740375389128eba2063741ef5fad9a5cc86aaf97c98c579e5a8683ef3f3f1af72011760d7a94d0fb2683d35002ffd559e9d4d8202b795a075ca8c1b",
    "signer": "0xc27c65aC00e7504f9D3eA857edc3399A39459abf",
    "userId": "222048983"
  }
}