{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51879",
    "entityType": "User",
    "nonce": "0x189cc7e46945dd567173792f681a9abfd5e05afc97ca6fff55981d0aca5d9bb3",
    "signature": "0x2d1e4f77f7f9fdb260f401e9b77a9906d9db02a8c272e849a8258aaab62c1637351eb3e3dd78f6d74c5e314a4b7f9918d6ba8a49fd75e976f218195cbb1484021c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}