{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "201205798",
    "entityType": "User",
    "nonce": "0x4fb3e229a422121c52956c1d66bc235fd43f0eb4e99e881f170126a8fb5caef6",
    "signature": "0x68ff176df1081783123c0449f37099635d91687f0528a7f9a33de7a54a45bde509a20f2334405b75af0ead14dfd7333fa5e0be1f84a8422ca357a2d084524c301b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}