{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0xb7156513d082e28436f5eb1ce86b859d3ffa0a7bae4e326ad5733c4056d2b642",
    "signature": "0xd925ab935e14bbe24d6ec9dbc5779b01cc9c982f342b085442147f0d059887a32aa0f0638d597d16da3c259adab7326189a1cd19bde2351d2d53d066315aca991b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}