{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xdbcb97f3bfdb5244a74d30c13c495d7a8b0ba9d6626aa22d484d97ceda7afc61",
    "signature": "0x23976382d2d1a395d4e6ce2e7795c0a735a508d1a5e105a76759e867ac2cdea55021a15dece22cbc246fbf2ec044db3928cbc072ad7fe8caf2504de6ab6f90b71c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}