{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "726274088",
    "entityType": "User",
    "nonce": "0x95b99693d9764026edee673e6c8ac3c14db0b35560da85f1a8b3f24128b8999b",
    "signature": "0x89ffc58b4761eccbeec85e32d24643ea64e3422c007cd782b4b038a1ae3bc8277f7988dde86e4ae6112a58ec933b8aeb97eea1345e3f6900b286b1b1460a56ec1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}