{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333725",
    "entityType": "User",
    "nonce": "0x312d6fc10481b0cab5cc7cd7076f50195b321c92d50b972fe867d51aeb2bd200",
    "signature": "0x92bef9b7211ff0646c4b03f4f495bc9fec3d402e5ffed8be53498a85246bec3865274d70afbf323e2f5269f2b31c872b9a806060e5624af545ce477c4fcbe84f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}