{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172462",
    "entityType": "User",
    "nonce": "0xd0a01e6e30dde86bb5c84f11f24549004866a7b8c51f58c7fcfb514787e64c5c",
    "signature": "0xa940291349b56fed053078d8181e4d83f21a88b169935d0e560ff8528beebf5f5ab06ab64f6a754366e4da30c0ce6e2b8087ef718a8bba099b66de95b9d508001c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}