{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0x67855fc6f481243e7982efa2028f71595e0d0f8f997ffacf31752927d3634224",
    "signature": "0x72ac160356f69133b03072e95e52ad60fc6257b13913bb123067447cef96bad653d4f4d8acdd0a6d3f638541400c9ddfd4858a2526c3c0eb2b5df534d8bf14481c",
    "signer": "0xD1afcB973C474bB78f360cbc813764a2549a5bf2",
    "userId": "610582466"
  }
}