{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223826",
    "entityType": "User",
    "nonce": "0xf5df61cf024a6e37b3754d4ca9a49404203da01b477f717d102a2cddb0b2e9ae",
    "signature": "0x061ab16c81b22bdd01cffac688fa7052dc54718660744d0eb539a766fa5afd6f0598eeadae58e6090b104923a66e9274139f1c5fd116a2de096d3cdce9a57e941c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}