{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0xbeb0d616bf6c46613afeff40b488bf80e289cfe5d165dadcf02f4b2ea647d0bf",
    "signature": "0x04dba0d61ff4cfa1e95cc47f713d365346800c80bb2f57f69f1ff5249c2d7881666956b01eb39e12c201ab35b1a816fecb871f3ee54f22826a93a05edb6788691c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}