{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125405092",
    "entityType": "User",
    "nonce": "0x774924c13d1aa7f0e0d55aa4bf0086caea64d12d94b6316b3bd570f2efa2b1a7",
    "signature": "0x253cf132470206089b37b8191119b57fc351fd577b868c92cc3d34b94d4de47f7471de6a9d46e870ca19e5dc5ac4e759e3a4607bac68306445defdaba94c80991b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}