{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x4c5d7b65565476d4aad7fc44ec5fd27d6f942130b31c94f0885bcbdcbe295570",
    "signature": "0xc8d4d9fcce2584acc09bfd3d6dc1a28e169b075f01efb457b4213574d45d036a47b9faa4d8903c789e70a78ddb80e5923bab2e4d2c0474f0efb914d2ea6b93321b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}