{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3762",
    "entityType": "User",
    "nonce": "0x03be7dfe60e2e336ec37a95be42d47dd30b35f5a6e7e5777d6241d5d5c8be772",
    "signature": "0x8a7a42f9ac92eff95d2b46686c2c872335e8dec2192cd80454d511b98c9011c944b08fb1276a735f47d7430f569be73ea9491a335b5adfd24408e75cba5bff011b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}