{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x06ef03193b83d4fbe37018cb709409b7102188e478986c04ca77f79520cd7161",
    "signature": "0x00b8522232c807c863282268c6e80b7aabe80a37d0260ded5f5453e6b83e763943e5d312b31c4a6d6c96ca50a6e6651184fb533aa62e1249051172d07a1355781b",
    "signer": "0x70F676768959be648C55d1E2551E02F36a6c97f8",
    "userId": "565332983"
  }
}