{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67606",
    "entityType": "User",
    "nonce": "0x8b46b113186c5e3de441e4f4d6623a68098cfc16519cb64ffc198cd4374a3157",
    "signature": "0x47ba10883a584f3c9eff36bd2c257ca2b97d571c0cb5aabc8515b0c10840a75c2ec7f918a1af404d90d08a554c9f8cbf083b911b55b63a3ab00be59a1ea396a71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}