{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xfd5f6059250ecb1c1ce67fb8176582ed405c1ac4e332f31ab9bfb492f451c07e",
    "signature": "0xfbe725b2eedc272520a99f2f3011311686b62850631ede7f2a6eab16aac34c690b0795a665da100a8167a04e2602f39a74926cc476ad92c33560d492fa9516521c",
    "signer": "0x0e44cA65dF66cBB4E08D3484d9eb15F6489D1d12",
    "userId": "730273709"
  }
}