{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11f2905b8439635301b15a73dee188d8f419e20ffda15717a1793c1ff2eeab0d",
    "signature": "0x4d4e493f05b1a5ae442e35ca9adf4505152bf627ac84c069d945b9f49f92fe8f787e2daca4864e71861745d629a867451ba5dfa9ee5f043deb91611824c174a71c",
    "signer": "0x3868fcB1804130A4521662cb9C4CBBB0E4c021aB",
    "userId": "582264550"
  }
}