{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "583112092",
    "entityType": "User",
    "nonce": "0xb4f967ace5b53647d9a895cccd3941ba00cc8e0a2291e3f35a169238efad276f",
    "signature": "0xc13178d150e6e10553b6773c755769524bf6a0d5f545bbfe5639ab75f6ee8d20686dd0515f845079f2b659d853380529da0f5d01261735ea222040ff83b361a21b",
    "signer": "0x06Ad5789cE045C5B0AeB97849051a7385CA95B4a",
    "userId": "270209897"
  }
}