{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177177",
    "entityType": "User",
    "nonce": "0x444c0d0dc2c597eb02994bb1086d9cab008df60648828a329c425aa93d0d6955",
    "signature": "0xb362fa0f62c58cc5081bc5900d6f139b496d8de9e8cc5c54bfab9e63c734427c34eded3d95488a7e82378409f233a0a241509342b2637c53b1b6c824fcc7b8a01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}