{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61913",
    "entityType": "User",
    "nonce": "0x269be5d3d43b37dc06960292dcecaa42318790ac7e934d82cbe3b18fa083d71a",
    "signature": "0x888539a1cb6dd98fd80757b9fe560d4e3f9326bbc5231155f5fb2dbc9060f99d6f5759fdfe7c75cebcc4a2b9c8298c00f0703f503233273a7927b278b516c57e1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}