{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5739",
    "entityType": "User",
    "nonce": "0x624970a27cf57504426a50d3dd0ef4dfde3e9f4aacadd0aaf20ca003f5d8c435",
    "signature": "0xa95bc1910183ae7d56d428a92d35801d25f224eb01a706efc9b528121204179b0a192e4ab532a65c426111a6d908500eb5b341e37dcd0dec0fcd0ec6b96405eb1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}