{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0x3068e9136eeffff8e8f52d80ee78d5b9c261350897e779e0f7771e44d040d859",
    "signature": "0x5c688f7f4aa285340a78e699a21de68c8056c30cfd5a0a79de87e588fcfd071f651d1c0234ec33cf50dade61d46be15eade61c1be1b4673c2ce6ef980b75a00e1c",
    "signer": "0x643a7D01c8D4d435f9263d6dE2d6C2C3352e70ed",
    "userId": "305151012"
  }
}