{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x413a11f3594bee65ebac922c32f453ccbed91f0349328a90c0631be82194a997",
    "signature": "0x2089050fd371a7f9347770265f7e31332f7506638d6a779550c61fb5c87d8926755df1d70fdabd563f6ee609b7798c7b2676be1998140e3bb9f9271c323835661c",
    "signer": "0x9976A5bDB93F69653188778fe013ed45ca0c2Ab1",
    "userId": "85051708"
  }
}