{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67558",
    "entityType": "User",
    "nonce": "0xbb431d7065f9a9c5807983b6a31afb379629843704e619fdbf895d2688760444",
    "signature": "0x2d1d00cca020411fb61a361086070cfb4c0d0465d95db3e233b469ffb82a95f308914c7aca53926c5a1ca0b555f56da46d155543841639be40f33c438dece9fc1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}