{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831215165",
    "entityType": "User",
    "nonce": "0x6d74c7b45521f6a18d24443013a4d059e2563225408bac0abe940602ac12c7b3",
    "signature": "0xf8463ec11e6c28c759fcd921fe75c536e45b391da25957ecd6f87706f221580468cc43cf533804d670fc18551eedec37a9b5d4a7ae8e61e875597eb6b4b21ba11b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}