{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "339126",
    "entityType": "User",
    "nonce": "0x9f4a12441521de7a45b07d27b6f93889ba28640f36ec37eac94c16692aeca050",
    "signature": "0x24640dcfb81571f52fb0108c12d43faa1c9f035a17a5a317fd357659bcbf0aca31b8a0952da1ddf6e7de19550ef663b0d2e32037e55af0d2603fc2ff6cbd87d61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}