{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x47c4f313224ff94bd3e765da2661c46c0ccfee8ff14457a39c61b50ac1f6d10d",
    "signature": "0xbe898132163f0e5bf6a8b0a188c2ab54d3adb19a30e4ff973f90adb12bc20e256445156b134894d0a16bdd316fb6eb3192a686502bb62725ced4b58213eda7421b",
    "signer": "0x52Cb4b468190D878a90e6d678064532b2405fBC6",
    "userId": "184931764"
  }
}