{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363785",
    "entityType": "User",
    "nonce": "0x5c2b03fcaf68e1fb71f23abe8158079486b2047b7e452bdf1a33c04db41c63e0",
    "signature": "0xf0741a9c094eb05312350cdaac875496ada76ca42efdfd796c21efacc512326c6643e3f36c88a89d912f9136019db9ae2b5012cd47889e089f5d928a72e567b41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}