{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395",
    "entityType": "User",
    "nonce": "0x4e5e6390c64f9899ff34ec85982bd74f8ec71685256a64b69613e8bf2c3e4ca8",
    "signature": "0x4f4befa0f2d1da3da78f9c1b678fa9df83e67268dfb5ba083b9c0960f43e3704748594b0741f606012c9ad8d6e39dab52ac2cf5e6837ab7c5f10c9e68073f87a1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}