{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2368",
    "entityType": "User",
    "nonce": "0x044e2464f71661b169ed16759d5cbe390ef3c246b38810302052ffbce4b09acd",
    "signature": "0x69dbf43c0d84eba39e3164c83a31f4349e6c95436f2de23c92f3d8bc6005a1a464b1333922fabacd9c002ab1561d6c6e2f2fadb2ea8e4e370b4449c86a1b7ec81c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}