{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x86f862b8304c8ecde29d4539bb38f2739d5f942236aece75c8358b31ce9ff16c",
    "signature": "0x636cc6ee53f881e242e268977b72e87f5ee20867b3f0de1347002d116a64276677a690e77b57a949ff1a50769637b2fa2aa80b354fa4e7c59e6c462c80e8dee61b",
    "signer": "0x49453344e6cf32d3172b6Aa3Fa67e98Efc2d6284",
    "userId": "220496640"
  }
}