{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1880658",
    "entityType": "User",
    "nonce": "0xd80238c52794b9b5e987830c6d339e9cfefc1e58ca83df30ef6471315f17b8c4",
    "signature": "0xa22af43f5b11a55e741ba783d136abf70f1a6290092ed26c326086fb1cbedfad3f8bac8c503377e2e8bedb8121f9049e8682b8a897b7ef082ea12b49b083731b1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}