{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0x09301bf59dd044f5010cbad5099bb1968d8c4d64faa2176eae7de5af04c0197a",
    "signature": "0x3476dc3e978dc7186406e0e21871f7496183c01a7e95c9706e90dca6bafdd46c24c9a6ed616a0eca8cc99ce56fd17c762df19db965a8719a9054efae952b81341b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}