{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65547",
    "entityType": "User",
    "nonce": "0xf10fd78325ae8c30cd2ca1014d2df1937f5671b0b812ac8b75c89eac993dd9b0",
    "signature": "0x42d05a79863bfe4e9f78d50bc6c0873615befb09f89dabc26e45f3d14f12315053bb05521e700a06580ef7181a04a5f27082a6be8dd03d0699616d1d8f804f671b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}