{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x066e164658e7c8f4300c9ea974414a7ac8918021ddf4aec91e9d925a9896d86a",
    "signature": "0xd5c3a48ab08d62a2448fa0a5f67306687ff8da6b43a0c2ffc893510fcc8ae41a5f7f1d51c134b494e7b64e8fd1cbe5c40a6eb026331a8102abbd0bf78debbff31c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}