{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0bf894f97b0ec45d6a2e7a6af7da63cb8448e8638478fa512597183124f20983",
    "signature": "0x8d58fdb2c2edfdf7321aad37d64916b87092553025c7f8a64e31d44c94b2b0734f11c3be6d6fa03d580d69a3cee30da5ef77663c845dde4176feef43c71962b71b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}