{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "581802105",
    "entityType": "User",
    "nonce": "0xc16c0a22918e86a8a4ad8eea0246942da9768a8c08d32bced1c492d1233cd49a",
    "signature": "0xda2399212027ac139230db94f294d60fb00e29629dcd718570d88d0fa9da60124b762a07958f0f06ce74001bde84bfecb50fc777d5d1057c85629421f2c92a0d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}