{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104615",
    "entityType": "User",
    "nonce": "0x880d958b5ebc399ade8e88779778b626fa100361452af81ea76d8425fb654b55",
    "signature": "0x27b209286fa9204b8a6a02530a02611062a4b66f73e0f346b7fd53b8c13a0e1d5f5fcc3e33b2b20291e119bbf10ec283f1bb27e22e2514756f02429acd469e291b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}