{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109048",
    "entityType": "User",
    "nonce": "0x23b6bff0bd7e3a45c05a39ac735f20797382a488467a1e7be13cd4f2c7253f72",
    "signature": "0x477f88f01357c1d4d4cb093dbfefde535af41fdcd56a60f985c4b7aefd9d5d7629c20bd601c9e60b2e66aad9f1b1d6c015a9204a9cc40919118bb076e4ba19361b",
    "signer": "0x1BF18676e3272039E0bF8f2a021954D13cC10a6F",
    "userId": "839909525"
  }
}