{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102006",
    "entityType": "User",
    "nonce": "0x68103a66a84c8423594ab998a4f98dfdefb1c2e7f4774428a76fc5a51962024a",
    "signature": "0xe6eddab7e5a25440e06a74671101caf0e9f92ce0a704f01cbb71a4e2e0fb0e8d1ff2f5e661eb4c70a6c06c4f91d8afb4948d6b5bab16b30fdf3aee249ae722fd1c",
    "signer": "0x9f5896C078219d89B9A5D8B9C381b7be8BEf4CFA",
    "userId": "56704236"
  }
}