{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x8f58d18ec171d501ac9d0d76f3aff63ab29fbfee948462de9a2107c342065f6b",
    "signature": "0xc234ac6d48f15aa42bafec93b68ff5eb5100d2b27ec6c3a45294028ae58e246e3cf70afa876e96320caf1ecf0b479724baa71a7366b60f0e94ad47ad88bb65641b",
    "signer": "0xAd948EEedA4AB2d06bF3150Daf2D25De733e7Cd5",
    "userId": "175201368"
  }
}