{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956241273",
    "entityType": "User",
    "nonce": "0xac4fdefcfeb6725158c5509de1ff133cab3702c24b0521f4a49a755d0115cadb",
    "signature": "0x34508c4721f3ffe320968714523dbe906a83c2a3f366f292f13b54dbf92c0628311977b4193eb26541a0b2cfcd9610c14f5e0fa3952b8f739e8c8ea9f5c782731b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}