{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xabda7c3e45d68ed774cca473878290b5bd0e7464a11cf9b51d23aeccbf618442",
    "signature": "0x0662a5b48dfcacc439c2510d20f2c0719740e92d771b7e86a414ddfc4fde8a8e0efd207d10f03d9bdecd31157e665668ca0169692ceb0c259d2f98ccf19d89ad1b",
    "signer": "0x1D095fdd74D71f435E3C56BdBD687D6a270Acb3E",
    "userId": "169663749"
  }
}