{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "938519346",
    "entityType": "User",
    "nonce": "0x4d272f9158d1515fda460ed896bc68900fc710a46b21ae7a94fa7313461f0923",
    "signature": "0x162114a8598f8aed78aa88151590ac6b3211d2d95a0f257489f1b466580f03fa50bcc1da5e49a0ff7a04d4bf8794286378ba79a28559fadc0aab4ef91e336c911b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}