{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327343",
    "entityType": "User",
    "nonce": "0xea3dd4f76b52c680795768ef6e262e13a4dd5753e61b7c7a39758c4b9bf7499f",
    "signature": "0x0e9b960211f3793221f1f137acfc0f8f2302357599b137046927b7f7257d51b23fd1adbf10668873a22c4d1275acfe58a427e6fe06cba2f43726d4ed193274061b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}