{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74438",
    "entityType": "User",
    "nonce": "0x95edd1b89eccdd7d07e0987a38257ada601582d12026e5efa49b68c3a5537085",
    "signature": "0x9d4f45ff48f9a4693b6e7e4c4e52707642f94eeaefea9716dd8c084c556058ed12cb3756f5a2997e9ab7e1d6b31c9ba5a3ca88a78379f40f4e079df8fc2a5a0c1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}