{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129491",
    "entityType": "User",
    "nonce": "0x0643cc9f6cd2de40977d5cbb281f2127e2b71a5601d2aeaf5b6faff34905ea49",
    "signature": "0x1222fc190b13814dacae07b9fe2093623ef5af92067f52a9f918385a623a305d16c02dc271ceebbf4ffea22581bc1e8c0fc6bf3f11d11d6e0e281627fe3702f51c",
    "signer": "0x36C09a4c4AeD822C1Dcc84027B6222FDf0C9429B",
    "userId": "73610"
  }
}