{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3cd07014d6e40b089494e99f1e061effb53d9cc1eb02bb264d6b238eaab39b56",
    "signature": "0xa5df80eaeb53e2582c610b9289f2b75c523e08ac478c334cf031108078982fd6685f6e945932f86c5582a2f196065a15d4222702865ab6230b15a5638cb022c91c",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}