{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78280",
    "entityType": "User",
    "nonce": "0x3261c07c4510b1d7b9f845fbcbe4c9935dec7fa528003c2ce3828312d9b1b144",
    "signature": "0xa39b04c7236ab01779d7065f0072d32374658919cc22d0baa336a4c59f5eaa176036f07f2065013868230e78f3d5a99e7d60c070ebd095274c49042f74c9276f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}