{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8113",
    "entityType": "User",
    "nonce": "0xb20bea2406733124aa5f7aaf7a2a4d0b8cac0e09dfbeee919f512380c32a7f80",
    "signature": "0x22c4e19ed6926c58795a7664dd8da743bf0d3c28d27f158a105f0f4858c5c62b0d22615205873e8dd9c4dfb94b88d5ba382777c14ad66f71a7abd0963257ff6c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}