{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "852967795",
    "entityType": "User",
    "nonce": "0x94dba9799901fb8169d92c98b2ca0ca47782aa4c00fa33ce6575ebafcd3a7e24",
    "signature": "0x37372eff244e4636a0dfa065a5b69bbcaa32d3ae6cc9aebee294d0a31c120c217b2366d952c1d081b7ab0f1e1098cdddcf074cca994a0630f4e5fcfe830f634f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}