{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374065034",
    "entityType": "User",
    "nonce": "0x3bfe9a644019c5ec432ab3d96dae1b3eb4c86bfd14eab2f08c22c798138bd56c",
    "signature": "0xaec5cb15661bd7c696cc08bc638e0e60663f71e24e37145eabcd94ff22455af541a18f566369986c074c4a2afbcb82b56de9a2ff2ac88afdfad932d080c0ce8c1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}