{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x4168a3c797939d460b1e6fa58c1c0deb0d234422201b5042a0ac7ddbac21df4c",
    "signature": "0x53a858d8d6ac1a8d3d55e3efe49fea34227e638f06b47697bd94b61b2130cfe523e08dff6bf1071523f7b179e501b44beab95cfe35294c7af4c299c23e3dbc001c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}