{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x5860d4c5b1eaef38af0817e85ce737f3f42561401706800f2276b852a4de27b0",
    "signature": "0x69b0d58612add80532046b9e6e57aea3ed0c5d72d58428fd44de3cfd0408f1647b48f15c2181455e422695b8c261b07c14b102b031abd3f87db26029dd4b40af1c",
    "signer": "0x1b7C16c48046d8550cf2935fB67A1F848D82862b",
    "userId": "552898549"
  }
}