{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x392fd5ce3201c62a3929a5a5225df411bcd919d4d1f8b8f58dd6906086e1b37a",
    "signature": "0xb4bf60837b1b77984ed23ac9a9cc4deaed5a0448acaa7338488302d4fc71f98d54c7f2b28fa9ef68348fa443908a2942be3e611bd578bce843c7e61294fd389b1b",
    "signer": "0x96631AE8EE332f8b0A00D0Ff2BCFBEb0092b5dfb",
    "userId": "256491722"
  }
}