{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108160",
    "entityType": "User",
    "nonce": "0x20a20a2bdc769bd1d861777a0d792f4534b4190a3d3cd662d35b5010cce159df",
    "signature": "0x9da39b8f1e3279ef253d001a6320d52033cb640cff34f41076a8e2dfcef3f8641de373afe86c3f1d2cd658f997e77eedea36e92013cc4d4622636ea0f98963781c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}