{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x61aa9e4b0d39bc3c34bc020b7b49b37c5acbcdeca7b25ff4572e7f78bc8061ae",
    "signature": "0xb4c352a371d0230a828fcead2f47a13feaca194b5f241b1b4bc38f6fb0e9b5b277993d1664cf511c43c986a752e0323735377adba0f997042bf948f7c16963c41b",
    "signer": "0x8FfE4D68AfdF34240202742331b49cb462b7e26C",
    "userId": "660197861"
  }
}