{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2625",
    "entityType": "User",
    "nonce": "0x8ed329d75cfaac53b729f181ca1def3f209277d91be8860a53cb56dc69767d97",
    "signature": "0xaa6c7cc4fbfb1e4976314a4b09260f7103caf8e3a2ebc037b8a3f81e20306fb525a48bafcce5883db3d6e3c578032f1d5d4faa1dd7bb741b5b8331011cf9ebbe1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}