{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52801",
    "entityType": "User",
    "nonce": "0x8cb82a7b1cf39150d53c0a9cb4d1369952a671b27dc5e1291585454ffeb1bb0c",
    "signature": "0xb1e0f29ec82f82b58376a2b08d9b43dbd28a34aaf9b2acaf2afeb6d9bb5a57221250b75073de67744f048063b6c755adc2b5b08419ec0e49afc5aa79e64e4fe11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}