{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "942771296",
    "entityType": "User",
    "nonce": "0x4ebed6c44abac25f287dd7eea59319af11c812dad3ee0e2ef665339b4f0ca3ab",
    "signature": "0x5a997b5842261b6e906d9ad2f04193bfe11a94d9163f6f25342f9044cb7fd4b13e4e4673557d3c72a879ceaa164aa7d4e7d6e6ec5b7a9fb67dad984ae4333e9a1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}