{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x39672871421566506bd65957d94ac96bf7b9ff2ce684ebe841cbde96f4f134da",
    "signature": "0x06adf8996e596b188f8c5dcd7a04b1e3e48b5c496f75c407b8e82369f5447efe281110e18c2d17fea9864e73c1564281bd32f5c1f28ab5ae5bb5841ea76579ea1c",
    "signer": "0x89482C970b084638c7050f111001D39F5CCCd3Ad",
    "userId": "194419028"
  }
}