{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0x5262ae2b7cb22287869dab5ea82d377d94817694d97f885c442e58e65ec724e1",
    "signature": "0x4b92be5291cee4fa16fad19adaa36991790804afe0230ca01325d9a5139fa06d5262a5aa81dcd6438c5ddd2b10a314925eb79b7328f4498db2574d4c56151a501b",
    "signer": "0xa3C91a44f620f0b95468bEC359f89edb95AE3cdC",
    "userId": "904405512"
  }
}