{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4d925f7f613d982b2fa6be8c6d538a7ce5ee75cc65b97a0221a545cbbab19ec1",
    "signature": "0x9d07efc0d66062a5a590053261bb1223d3b16b23583cc6e7174cbb4f205c174d72b90479ddc7635ad7d656ba598a5ac1eee981a8ad2397d070e9eabe49cf43b81b",
    "signer": "0x46e4D9Cdd5aDA979349F1492e3a720409e978Ba4",
    "userId": "783685414"
  }
}