{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43232",
    "entityType": "User",
    "nonce": "0x5ac8538537b9a8f4e1d9a24c1e47576b2058971e334a51bbac1be2a4a8427286",
    "signature": "0xedbd2de7e9d2cd3f1d587d2c16935692fe245e77622ef3d3d43428348207387f02cc9e57c5cb08ccc108f074edcaf868cf45db2155363033ba8d19c460fed7081b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}