{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x6afa0060c396065a8a2ca0fa8016f44bcfddebb7294bdafc741bc09cc7a8f979",
    "signature": "0xed7eb4d2d03da5bfbbfec10f00b991a6ef0f317156d403937f15050577fe11fa7c6f2519b7cbb0cc64986878e8853f03cae41bba02a01caaf24c07ad124b61a11c",
    "signer": "0xFfEDC8a6177467Dd818D12079De6E66E514EeA03",
    "userId": "992110484"
  }
}