{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99368",
    "entityType": "User",
    "nonce": "0xffca3dcff5958161261b008e58a0df1e5a4b153aa4eabf71f19ddc264cc50d25",
    "signature": "0x5148472f18006e5bbb7c95542cc6cc6f1555aaf11285d9da3c1a3e5c5e05ff5f42d9ff641e060289e3b8d0750863b3527b296b610186094e50b26b709d1f39e31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}