{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x445f61b3ad84c65851abb0279eb3e811384ddda5182df89a54cd046996657000",
    "signature": "0x8b7f18f8e81e443989819f27de5764f2fb31eb4b232e9571a9dd6b77e0fd03d438f6560a9127736e34c359c95d378018432cb0a9af1f8319208ab5ed1aa73d861b",
    "signer": "0xb2B3D446C5A606ee5B3e74e77EE3c96634De4a27",
    "userId": "399675354"
  }
}