{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374007",
    "entityType": "User",
    "nonce": "0xbf0d5a2009521ea57849282d4cb9eae63aaea4f472efc9a146eaafef3357c1b3",
    "signature": "0x9d25d4686b265fa5408b8b7b02d83aa5d205aac2e3d5392804ecc3034c92375a5f2915f6f2035dadf617a24ba76f0049529a9d9455a53ec72b71d1768260ece41c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}