{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120654",
    "entityType": "User",
    "nonce": "0x70bbaa7faf66a00e20e7145d87c3c8e67bad58ae27924baebf4f73db5b91f964",
    "signature": "0x9ced6b3cd96cfc5a851b2dd49fadac67aa31b4178f9ea3d2c75f47e1eefc139743da6661e0fbc8cd4ac5b09b87a7f74ae83fda7db0671680cfe98b52dec18f481b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}