{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0x66e48ab19c788d3a267decf60a7da15241b6bda8931a7c9a4af71ea8f7ff8b0f",
    "signature": "0xe497d62acac167d683764a32145c7db4362bd1123542de53a18293c78545b64f21101545b0fab9f7148b1d439cc88c1fa104b725ec02e38c382c49b2934033b41b",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}