{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183307",
    "entityType": "User",
    "nonce": "0xa87b65e5e1c0cfab163be3783e670a7763971a69cdff13c6d8a8352dd28db798",
    "signature": "0x735622aae78bfe7a768d11b5e979ac4f945aa2fb7fae40bba9c2bf892763d26c5a461b591b4c9989ee0f3de8328e918340917e3afb0ab36896ceed1ee5cd9d191c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}