{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7f9712a19719b1f305f1d2bf6e654e9dd2bd1dec75b4f01da69bf6e6b7fa2b6a",
    "signature": "0x5581ad01e56884ba47dbc6140a7d1cba162ff98dcd2a0f4c303cb99270b6c67b1f7baac22be3b576b37838b379b3603e15e89b96f861c4f08b332274652c99551c",
    "signer": "0xC888d1fD9065F0AdF661c54a6bA27c25E56ba3fC",
    "userId": "956687976"
  }
}