{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0x73b730793a1c9e87cfd00fef5629e5cade4d0b7c914e6e0f3644cfa95ab81906",
    "signature": "0xb7337f80b204c7a318103fd3a13ecc2a91aeb29be23e1555f957d54e31c4d5b62fc6dd59d1031d86ab8fa8217a17b69e38ccbd3c679ac34c4a7450b8acf585821c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}