{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x74e326b2c31a1a3c10d2b49a61e734ff88562cee960752a502bc7cf46c1865d7",
    "signature": "0xee1a8d54596c8087cd2a99024bb39ad62725dbce96a3c49459f9c8088274ce125f97e29094bb21ef16511c850762c3d39f495d052d54aa047d217a68a34f55f71b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}