{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "166505593",
    "entityType": "User",
    "nonce": "0x8cb12f9184b8568882fadd81ebf2bc0926f0e93a1975a6a3f66630c246e16464",
    "signature": "0x96b6ef59cefd43dde50c2afd51465f51b127780e20f6c44621844c1907bdd6b75a801c618ebf27a1f64550ba69b248e5c8b17491ad3d21d5ffb64b151732e8431c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}