{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52309",
    "entityType": "User",
    "nonce": "0x4c8bdd871e0240b74ad77535f1829843e5bb42e5e579e4ffcff0bfe5e3dacc0b",
    "signature": "0xedc7583fd9df4852eb151dd7fb6a66338c0fac55c6d89d19f4b8e0a3b7c074b02124eb44b81e32a548a6ba27788e5f3ca4e283fbca24b21663b0a5b022a4e3cb1c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}