{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760764",
    "entityType": "User",
    "nonce": "0xf39bf69f72c2af609e7d426a872187b52a688d53b7fe7324e592b91ad6b6cd30",
    "signature": "0xf260df9bf333c9eab07687a0e8f0568f964aeff8bcaadbb23e2efcb17f804e3734dbe32fdfcfaa8e948a2211475d3dad5671a30332ef43e7c2bc680ae03df1ec1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}