{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd156887beca2a978a735f5ccbec9f677e57fe0c6b53027c1faa98b1d10607d6c",
    "signature": "0xa5739dfddfc20f60211eece954b8b08320756d8af0be67bcf4e8701042339039564ee65069dfe9f8afa2996da76e61cfdb338168ac3b601c10fc2732c3d5068f1c",
    "signer": "0xf35B27D13B226b396cB6FD8f7C94b9A085D3756E",
    "userId": "265427941"
  }
}