{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275210993",
    "entityType": "User",
    "nonce": "0x57dce48377f625eee3473f0008062ee3c80a2ee0ed13d1ced85609bd8887c635",
    "signature": "0xd2b56be99d9e49cac35a985fa088fa2a749f07a2c4f928dba0b236a21609c20c1a535074003da08cbadc962db90518d0b70cef1a01813084614ff39768dc65f21b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}