{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "369184",
    "entityType": "User",
    "nonce": "0xeb84a6225d8bd629d1c4866a5a5f7323d6866d9b40a8ceb5c5371d901aa81e14",
    "signature": "0xccbb0210a338aa1d0422e7a75062c03fba232502bc093bff02deb6d5c97cc226699a2c0c75e5796e4b75edc669e1f9a079289f285f17a6784d329717ffc2e4951c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}