{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "761103314",
    "entityType": "User",
    "nonce": "0x2540ab4da938c4954b0480f387479224a162d1bb4e13a89fdfd7505da127ac22",
    "signature": "0x8fd7bbb5a3fff612fae3b61230c161ae80896877ef086742619f2c784e50d71164a713349a2ab20a1797fdda3013edfb3772407f40c526d5d706bb425158a27b1b",
    "signer": "0x75Bd71123Ba3F2c6C27ffff539a553bDA3D7C89F",
    "userId": "655291147"
  }
}