{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "409647715",
    "entityType": "User",
    "nonce": "0x096ed8cd5187117db58abd08da6caf9d5ec3b1f3b897f80bf53ef205bbc6d729",
    "signature": "0x229fab762de752797800a27b5599dbc81bfab356d39e6942c0f3387e884492d85c78fbb435bf09846bcc584a942b73afbf71bbb6db8bbdcc38321d7a29710fe71c",
    "signer": "0x9FeC2B9C826d23C9cD13d34D23dEd8E681eD5AC1",
    "userId": "935959282"
  }
}