{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0xb2d8e6b1eda677cb5ff2143db13c465e99af4306fe91e51b88104ac422eaf3b9",
    "signature": "0xd9869749d3bc079a20efea1ad26be5006e87629f8bb2b3fc2634f608c2e44e7f6af934a4e851082c440cb717933f21fdb5b0bfa6d74d63c8fbf0b85b39f50e2b1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}