{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x47114ad6c659d76ab47074dda5facd6cb1553100b9182468329958b04582e978",
    "signature": "0x4721b94e6597c3e88090c256d345122633245c430df89e59d787a0fd87f298f372e88d30df3629be5076bcaac682add17ccd341652a3a0cc675f0b202243a47d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}