{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382164",
    "entityType": "User",
    "nonce": "0x8a3e7578e2228afec07813371ffbd9fb2317fdc5d91c074ee6229f3cffcc05fa",
    "signature": "0x5e6ef7493812c9274271151cbd66dc4dfdfda8ce1128b99cb692bd892dbea3f54747786ccf5648a1811d8ed4e138044b3494e062f6614f5afbfba7dd8adc2e5f1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}