{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166283",
    "entityType": "User",
    "nonce": "0xc35f9fc0467e2b905262f1e6df3df08ba9ec43a7c96dc07f53c14a83437a18a8",
    "signature": "0x3de6dda56b1d064506fc040d866aef2620addb94a07d48b6d912f8675a95131f7e9ddf113cd96856ab4f689b6e3f57a9238195741dccf6d46df1dec3ff659dc81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}