{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5fa91f27e965b0c27719a5c8d347b6dfd1402ca0648953ca80ead21c92d75ba4",
    "signature": "0xfbbe836310f79ef7e501bd7aaa61b16fed67ed7660698ce81a77c382709a0a4f41fb849a286dc956676def2dadd358fba379c343ebaafa82df18c0cba5f363181c",
    "signer": "0x082877c3B285FBD758100ABd141Af3936F42739a",
    "userId": "674745869"
  }
}