{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "939113546",
    "entityType": "User",
    "nonce": "0xe753a54401967680ea315ecb4b2ae5362f44938c6aac3cb90a270c6658bfeec4",
    "signature": "0x38d36e9495fcc7164ddcb24df985900f0888c88230e6bbe698dd12efb1abc3170c791f76749bf7ee8b30da3c13577fcfabd3751d5af11de88d2720e8c8b78e141b",
    "signer": "0xB63c8A7B935b55823f383e8f19B6207FB6b31168",
    "userId": "330374208"
  }
}