{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0x3d8edda2c238c981de01b604501557820b461e9107f7bc37f3a70e093fb24962",
    "signature": "0x5878626793d98dfe0f6a4fde01dc3b469edc2a44ea8ddff4f307021462fde1cf57efec2788a2a97c91c214ac2b66b9cc1650a21d3a45ca7a2f6e810af9a1e4571c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}