{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0x505bcb427825d362cbe40dc1e4e594104895b67634ee2d6385b3dc08c1d75285",
    "signature": "0xe4869ce3ab4edae5aabd678ba709a396a6f8ed6ffa29e9a1800e7bfa2e957fce7c143a641c23d8f8609790f6521be463f72cef63818e91091f16da155e3117e61b",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}