{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1848844",
    "entityType": "User",
    "nonce": "0xa40835903fc7d4347f6bde9cb6291237cc41e93639f50a987754db8602c2ca32",
    "signature": "0x33c8c374933abbcd0bf797f9680f3b1b3499e1ac240d5162bc7a98963111c5630ae594a0f4a191827859c048127b78439252b335a050758270130b6e318ad7771b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}