{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161720",
    "entityType": "User",
    "nonce": "0x84b2e426daf9d15b24bce669b57503f8a35a127a019fb1da437e2a584ebaddfb",
    "signature": "0xff0be94b4a429db2b357c4edd82f6b05df1b7e778a53905cbdc9fd6425c8a1a809a82afabc1fc86e7fa1d76eb6695cfe18e217460f26cacb134a0ad07641fccd1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}