{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1416680",
    "entityType": "User",
    "nonce": "0xc627a9d74a8a489bb57f54ed30b4f861a3d11b0805e029cb91746aaa7586ed83",
    "signature": "0x206eb2d5a6a455ee164d2ebc4cf54186eac899890a1f4ffb07c708b1b155db4b6f19473cac821821640efeb597a12e566e504d0db176caf0c80c51fce72b621f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}