{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x4214365e813d4a33b8220ac3aa96fbc670a09018ff194b750b345dba681a0dcb",
    "signature": "0xef9825495f385edad4d5442b6efd89d1c9fe858a2591bec74eaa30986273a8371bb707e0387be53a86cd5647d3c7498f12be0330940693275ba6e3c2c1b07be21b",
    "signer": "0x49aCa476D46A8DeCd8789B82a5E5c05d36dF4FdE",
    "userId": "305528134"
  }
}