{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x82fa11d95e65add9f69365471257542ffbbf3f4ea842e4c10c82ec4cedb76f6b",
    "signature": "0xded1da7f9507e8da3de1ab9dd6cc0f696da2981c56958dbaaac2ffa63aa6562e3311c21a68c689929a45a6a432dd485b09a3175bb63ff846899f83bccbcd934c1c",
    "signer": "0x7BeE6A029868871221bFC265e0DAE4553A4eC744",
    "userId": "229698256"
  }
}