{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80616",
    "entityType": "User",
    "nonce": "0x4c8846cfc91a7dba4d71504a622cfc74bf3e1a6088bb25c6cb5eeeb629378a9b",
    "signature": "0x2568ddaf4ec7499811feb8bc072f5b39d830061b80489217055ce24c6322b9ea495d80aa6c77b10a4c73487a3f001066fa69dc84df92530d690bb01d043a95731c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}