{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "966718637",
    "entityType": "User",
    "nonce": "0xf8a20160ec452859a0a905665ff3e7054a8a02bea3c10f9179c2974f434b277f",
    "signature": "0x174c3c91e2d708fbd1838afc710c1a736049fa4a15ba1b4e816d8909cb6cf77b1c222d3f3328ad106684ea0c1cff7881fcd10cc0dc03ea08965082025c80ecd31c",
    "signer": "0xe3418cCa91C667130Ea5469A336DaF057b07E7D1",
    "userId": "736544419"
  }
}