{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200130869",
    "entityType": "User",
    "nonce": "0x0ceb76d119889c9cdc7d50af8e4d53552227eb2652ac1a33d742ace364a39b4f",
    "signature": "0xb3c6436731d3a3bb8f08374c2fd2f58074c5ffc2b8c96c88a7b471da05551bc91d585dda71c2f45dd66bf612b50675e687981850d7ce80212f8e3d04b6ac42f91c",
    "signer": "0x7315e02d352D97bee742C3B3D87F3277D05bA410",
    "userId": "909822926"
  }
}