{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "908506084",
    "entityType": "User",
    "nonce": "0xe4e4c2a768ef60942d104fed4f5175e5d64307e0b387b020053dbd7e375ca60f",
    "signature": "0xaa0d3c53669b5829beb8dfbc11b489c032c68daa12a820a87dee8460999eb5eb50f1e8cebba8538ee0afc0ff570cafa35751699769aa6904ba3b73e874bd99dd1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}