{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142026",
    "entityType": "User",
    "nonce": "0x74ce93273e01b902089dba778f918b02fc0cc72b02e0ac7a9b0d9acff206a6ce",
    "signature": "0x1fcd973dbabf23fefd27e3331edd2bfa8fc5bd52be4a0bf9bc0545843dad613f1a89222e0ba1eb5a48daf048d6b1e9459243afad09757ba568e017a95edf1b431b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}