{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55609",
    "entityType": "User",
    "nonce": "0x7b598b78983cad14d60d52e687cd5a51e6c42d8967e19adb7b9b3c0dc18c6c2f",
    "signature": "0x70e62af6294176ed1ca77d0944b5764dbeedb33dff9a0f8410c24d2c7ec449d323e3e40a503d97db34eb8fb02ea1a25079c0d4692ec2a8dc37f2f98311bde4dd1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}