{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0xcda40b4056b62100aa9a348738a0d19ae3592b2bd781131e255be4ba75c9a71c",
    "signature": "0x43aac0b56af3ec909555b94b48645d3d0b8cfbb9d039938f0b8fc15a2dc7c983619ab0749d405baeb87c7f7241938b3116d1e255c47f913e0beb40ffc5e7b81a1b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}