{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x28d8b1673930b1d656fb2aa119fadd82b3b06e58a8d480f8222314cd310842b9",
    "signature": "0x0e94095e2176a728af755fa221f4353063bc33bce080e6cf83abdda80b2852e04cc1032a8d70d540affed304f82162c2bbdb7294124bd1f2e3edfe18bed276b21b",
    "signer": "0x1FBc224307882c09fe4d9D343B53A365Ef6577B8",
    "userId": "153928"
  }
}