{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xd6fbd40ac2b0ec0b83b723dec9f856170d04bb078d8f5d75f7cdacb67f396882",
    "signature": "0xf678516c07e31d9f8398e1f02bbb1a6fdac52d85e20477c000af59c2104993807ec0a7c47269f8b9d5792bbb8b6aae96c3480f2301c4e0e95f07927caf97f3bf1c",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}