{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5509c2fa4593d87244863b3f5a0e9df61659fbb76aee2ea2927aa3efa5479e0d",
    "signature": "0xb8949d98a1ed947b48bdc01901d191b6737080af1f9a6897930873bd898924272cf59f4d7988c17b4035ccc538486eaf015978091eaf40464f05c2ffe1edc1bb1b",
    "signer": "0x0BbaE3b1B763858507f1A953DC2f9Ef8343268D5",
    "userId": "307156675"
  }
}