{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x437deb00a3d7bb368fe60dfa6108a7f0b7fa605fb4a3704291b0010f783abf38",
    "signature": "0x8c98efc9fb5e8fc6654f0fce54411a8341f54a5fb0cfd24f96c3d5e97ea1a62749206dddd7c3549124f69c66a55b1f761090d7a50324b244fb5740c78b90dcc91b",
    "signer": "0x382a01d95BED3b19Db726AB26cf6A07849842228",
    "userId": "432988729"
  }
}