{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15185",
    "entityType": "User",
    "nonce": "0xa1bc42c4d00741ac730051079f4d8e719284d504c31a387f1df8304d324f002c",
    "signature": "0x31116c4bd37ff440778a7e0a7a20e1058f3936c27902a6a6119f2267438fb2b546de48e4abf2053dbad9c3d92e4846edb32f7a99734042d519eb0eef657d7b5b1c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}