{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x44c0a8cb4d1184873b84ef6c99d2cffe5bf0bf200e12ab4568ec03fb2a82f80b",
    "signature": "0x50ad94f7aa4c13a68322c372793d33f456d233c876f199866b95ff8d0e1c31261323a3ca67227c24088c5d01a8a7993d93d7236234b1cec0ebeaffc6007dac611c",
    "signer": "0x7BeE6A029868871221bFC265e0DAE4553A4eC744",
    "userId": "229698256"
  }
}