{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463590181",
    "entityType": "User",
    "nonce": "0x2f2d7d401f797787e31abdcfcbf0f7e3a2212bfffc1f0227eb648de6ed6447a2",
    "signature": "0x9af0d45bcd6b98f8431997c59768f44e7c0e430ff174277dbbe5bb01e08e07ba619511d5427eae383f0cb6220ec8a49440bdca3e843a54a251cfaa1b1db12ff91b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}