{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "924499982",
    "entityType": "User",
    "nonce": "0x8e4a88c22a592538520737d35f8011377967f3ffb5b0c2be2613145cd546cc15",
    "signature": "0xf59866b4d15458de3317d82d529e95f116ae96ffe1ef44f7c062de4475e56a40643cfb0633bed597b8a120631092856262cae8fc821b67eae12ca77e4ad839ee1c",
    "signer": "0x93FC6b8ed7bC12D67c3623E7333DaF63311eD2a5",
    "userId": "333001519"
  }
}