{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310196",
    "entityType": "User",
    "nonce": "0x674c1c423748384e5b70ed679d9a6eebccffe63c64222db41c5912bdf2692f2d",
    "signature": "0xacab43034f441d1132027c864c8767d21a89f5d71de0f92fe59cc2c29ffe147728616735df01b67c35c11733ec4d1a5cabb84d867da846bb4b4ad1f62d2320eb1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}