{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964526",
    "entityType": "User",
    "nonce": "0xb93b91a4d260a4d13e961aad206b6fa612a54abff2d0fc7a6c900f182d39c5c7",
    "signature": "0x978f8f15d7641e3febfe14353505f7eb2e5e70012ffbb128ad22501d146c348f738b3ddb206f32f034e746fa889d89384a4b5808384549717008c1abfe59012f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}