{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "482428",
    "entityType": "User",
    "nonce": "0x826675fdb1e4a0490c415be71be00664b4e89191339619d8e5b076b1414895da",
    "signature": "0x1b8ce31f0f7a75e7ec86b61199416bdb74957cad0df6bce93374abf8b6e428bc2d9bd1db5a0c21afdf4dc92c9ac85c1bfe38c75286395c6131faeecf0f5620fb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}