{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x933fe09f196189dcf522f8e7896adcb6174bc7474b0af4d111dc270ecfd160ba",
    "signature": "0x5fbdaaf1992b38c6549fca911583dcb5d34d5eeb21dd767ef09f3c78f0bcfad4775074e321d38f4c74b8a3b2e48e70c2666bab975da8f0b0ad8ee636ee2f751d1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}