{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584186978",
    "entityType": "User",
    "nonce": "0x4544dd43aaaf21d3405f640a16b55a2d67dba67fb41403e6c980069cf25c65b1",
    "signature": "0x76a563fbb4a21152da1d45fa6d691a7e8b50205ec5352afd9ad449f5a4bdb5155404561fb332d547613589bd06756d1ff8e879a0dfd354ee7391556c1fb886701c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}