{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0x476e966c91b30b07f99848d7d26102e45d6e9a2ae4226cf608c5feb007d6b3f6",
    "signature": "0xe8e3f8c5327f07bc1f960bb090966ac915c4c9ee909211052e17e7661cb04a7e2d28e12cfe845bbda8eb46b2015f36895d8b4f90aafa3444399c7ca20c50c92f1c",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}