{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100579",
    "entityType": "User",
    "nonce": "0xabecfaad6835ae475278b0f27c7e45fb554d360bb1235d7df81635aba5e2f3cf",
    "signature": "0x60c904c547e3026c42bfa1a94c1ad3eb1f78d01ec584c8b6de6107eb12370e0d5e637cb34aede7f27e76296e05a23b509e43381aa4f22294b70c2449918f78871b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}