{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128049022",
    "entityType": "User",
    "nonce": "0xa0714bb0bb853e82c95c72a9a4c9de8d28868759a3e92a83fa498dd3037c383e",
    "signature": "0x97e2186bb2d5a3c644b11d7efb80f14534d9b4e3dfb3096582d4ac5b7c80ebf64a50d62e1d557a3ccbef599f9f56d207d150315129dc0a6c498361f5930064e81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}