{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0x4ea6cf89e7738a0727d3244172eb46e7d7b408b8101b0ae1a42b7a7543afeba7",
    "signature": "0x0eb02c0f6e65d7dd7ed246827540d744e722f6cd9e91d4001d666aa4c1e4abd63cbb2cac344df0cc2029edcad2addf77303c9d2a8a210c3b6ae6ff888fcccfe11b",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}