{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105582",
    "entityType": "User",
    "nonce": "0x4f00a87f7325ee1b251d40609ee467296522dd74ecae82a5d3345227a4434c95",
    "signature": "0xac74ef1c7e93e23ae25371d99fd6ab3115024420f0cca5007af9850c6ca8fb0161a54c953c9a572357431dfe38a759e64ba6703e15ae0a4d3ed64a96c34624601b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}