{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x6c3b10007e80610200bada6badbe6189af3b40fd1df771bd3dbf557f44beabd0",
    "signature": "0xa4fc9ecb98981878daf23742f205357ee902c739961fa5a89cf8de8f3cc8836248ceb4e533d763dc2da0d4a9a8adb9e663292eee7e3f2b274229f428339db5e01c",
    "signer": "0xf3eC8D1463A23CdDd8e3137d4e971DAD05FB11ea",
    "userId": "451435291"
  }
}