{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "214894",
    "entityType": "User",
    "nonce": "0xcd3d50c328a7dbc1c00570aa1547ffb21230b0c731f9f161284617fa2554c539",
    "signature": "0x6e196a4aa6d6d64d61522f3343013eb6c0738a3687c4a8f49684bc5fd717255346d785a4374edca48e5e1018da2b6cfc9ddbfd906db6d2cb6329971a454af03c1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}