{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135831",
    "entityType": "User",
    "nonce": "0x3c44ed7f876c1bd4b3ee795d430162e2b2111d3b76a282fcb6142a6670defbb9",
    "signature": "0xe586a79144ecadd15cc241f1273ca38707720332c2f5454fb9ba7b2328fd492c354cba16445f5183cfe0d13bbf39288d3512b1f85bb4f8393b873087bd762a951b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}