{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188570",
    "entityType": "User",
    "nonce": "0x8142af9324b336fa96e105533c80f9679610cb8c5552e3397fd01d69415c055e",
    "signature": "0x5362d0c0884800c82195a0c6e9a1082faba92122f0a309874f1402c36ad94837052797da5bac0b3751a1f346e9f97c078cc13ccf7b862c2cefed46241c1e0ee71c",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}