{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xeb754ba2215b8d793d8fb53d982f7a8cccd24ae14b4bbe24410f329e952a55c9",
    "signature": "0x8d03c0717ea733de4fc0d6cd5a527b49efc4f4b91b8db0713c72a02f70722f0f43f30f49a8844ca17ae08283672098c54528699458a107cb367756db2e9d9f9c1c",
    "signer": "0x1EeF7f4505C388ca4a4B9A8fC01FcFa7c805D3c5",
    "userId": "17766667"
  }
}