{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "718000733",
    "entityType": "User",
    "nonce": "0x0480344872e0d1c417ed76369b2d7ab865ae5ceda8e9bde7d344d3bed902c72d",
    "signature": "0x9d5d2ac32362a66e8c69e4ca982a8340d8974cc33836870c5d0a18e438ee658f0414757b9084edc63e88f10dbe55cc806b87d413a61f799e4006d47360bd61ec1c",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}