{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57817",
    "entityType": "User",
    "nonce": "0xccc06238cb118434306b6c26067d981937e51d2b3169c4c86752c0ff71e02d4d",
    "signature": "0xcfde8a2ee44205bdd1019ce0537fec594cc0324d81cd1b21ea9a1e8cbf4c81e63a89d93c8a1793f7cc10464532962752a16d1360d3be249ca67d9ac1697d53bf1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}