{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "685012654",
    "entityType": "User",
    "nonce": "0x4095ba6d044c71b5c2c17ce2c31640cf7dc182033e23dbb601d5290a7fa80008",
    "signature": "0x8184564151c6980919070976bc03f0e6f00fffabf2326565ca3093c98e95d4bc1953dbf2e2b4f1d3e8028052986e10b68f2a55d4bdd94a5e8d137cac3cd694841c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}