{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149885",
    "entityType": "User",
    "nonce": "0xc5efeddaf7222f65b84f88ef7584e613839c27c4fc77322cc6c7e0b142a37524",
    "signature": "0x24ae5f4c0e5bc13b3912adb0cdade7f15d65c5269970027c95cc8d78d0887814506900400e47964f3b59a29d0c6220266a16b1288356cb2325a5362fbaafc5411b",
    "signer": "0xCf51c0CB439FF3aED8c04d4676b43572a8F8FB93",
    "userId": "763179319"
  }
}