{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xc235b94794fc99f9920fdf8d73f488f6878f8eb865d0a96d833370861abb8d31",
    "signature": "0x20b42bf623d7b127d0ff1a5c747d0a461b63b386417140f936ccce36f90bb9e9318e1bd0e9d5b64f0eb7265da9002fc6f90c4c003fe6453c7ae41c9c46818ade1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}