{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64093",
    "entityType": "User",
    "nonce": "0x9b1801f0b925e84a99cbadaa034951014a4f5788bed3e3662edc5c2a161556a0",
    "signature": "0x7c2a59371602a9ba5acf16f340f8238f9430b685155137e8b2b7e9566279a4a9607c2e1e0493a361378b026a1ce591926afdcaf5304421ae8e3d14ed447692bd1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}