{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "726166",
    "entityType": "User",
    "nonce": "0x1bb7df64363b5dae2a8973c6bc415586de4f100d5e2b3a46c96f9e1370da0ce5",
    "signature": "0xf329117bb4cb3011788c40068a4b6829b177e7d92bf760df4c5c726628ec216669b3d57169b22ffb6ea7206257d35a5799442beb1ab52881ab17be26db0ad2e11c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}