{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0xb14f8d08ab4ff311dea8ae0d025cb83937ed1324a7e80109c2cb2579d7ac8cd2",
    "signature": "0xc9cfba724fc5b7a14f9d36dd9fed9a976948cc2e0baf880f42c902dce63d36423a53bad859516acc1331c548c5aa22e250c71c4cdcf99b5d4780255bbbce2db71c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}