{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18115",
    "entityType": "User",
    "nonce": "0x9d267c8d6fd2eeba558a0690c6fc014f257e3a0e733c3496cb2f0023b15382a8",
    "signature": "0xd7873bffb6e1041cc7ec8251b3e7d5511ecfb21261d0c64200155d5bcbf3e1bf4a45403dfb035dad46603f5e15708301e370891636079919da83220db06eea141c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}