{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124060",
    "entityType": "User",
    "nonce": "0x3a5f75a229bcd4baa96a2f5f527758528818bc3a468e4ac4a50af818c13323a6",
    "signature": "0xde998dfe868d1f47343fd3a97abac89ef16731b769245e5c8083d07bd31af6e627d1a3358376dc4544febe93087b65559ce8a28d15721616fd853e077f55fb5b1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}