{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35550",
    "entityType": "User",
    "nonce": "0xfff5327be81145969dab23b2dbd7ab62062d5b08731c4d43ac3ad99f139da503",
    "signature": "0x9feb23c59f9a99b344f9b7f6740bd4937061225ae30de1eb708e062a54f7efa913a4ac49a85906d491c5dc0845be0619295eaa2292fedb6d571ae3ec069eda801b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}