{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62174",
    "entityType": "User",
    "nonce": "0x4ccc5ea36751f90a331c93a91c0647d4a83b43caa8d8c8e18c9e7d717c9954dd",
    "signature": "0x2066d78aaca327106e84ceaafef0b5830412762c065fb069b4ecff0ad0d15799509f1095d0ae6a89fe51463ce4079d6b97b80e16b88c607bccc2e6c0d69a0f171c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}