{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1411636",
    "entityType": "User",
    "nonce": "0xe0231ddc07ed28d137ac160ed8c3cd813292c8b1b2e9375fd0a127068e808e09",
    "signature": "0x059823497bd6d83192957db7d345a901337c0a251e3da3f4a03cd969c512ebf1555b2677b2d5112c98938c9903019b5d7132b71c3d69a9bac845bc7b0481a7951c",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}