{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xeca9e6f1b6d00e5de024c240fbb030f8a8bdc568782612a0d8162bd73453384c",
    "signature": "0x98a8ce79027947ceaaacc15f3804f0ae1c177273d38091ce422405efadcb438f58e45fe2b6015c67ad38d1df2f206dc35cdd4862b7ea76bef9fee16cdcadd8851c",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}