{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbc8299015e2215abe1af2d467fc511eb775eda5761d06a29d0053d88656ed956",
    "signature": "0x00b9b0e1412973f50cf4222f2abe5f3d5aa91eb23d60778e47acb0aeadfcd0457795fc546e30d7048fff75df2bd4ef279ca7f1280f11431068dfa65bb1a39eda1c",
    "signer": "0x6F9dD011355c51D7F11774A73530DD23DD827585",
    "userId": "427936163"
  }
}