{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x3a0769a2572a7f03863f2cb9d26939746c87d3e1b5d651c4af56ef599aab224b",
    "signature": "0x7eb710650b71503b6ee9eea34e3f26976c3f57d4033b84f403a2f3f321838ff376f8130383c646e93d2ab42201c450655c41bc7fa8430c4c980321afe78d79431b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}