{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe92860e7c1828dd810b823a33e25620af09c7a9893d1c72b5af0a7ff529e7a95",
    "signature": "0x2da7dedbf23b2deba8639df4ca18f3db21ab4bc9c752a0463885e19ab6350d121a573aa363e55e27e7a2ea388a6924a81ecc1835ac458325bd1f08bd795d89541b",
    "signer": "0x327b2139f8E33A93124cC314A5124b96FD4fE87a",
    "userId": "968833670"
  }
}