{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x61e3ee658f2286e1353b78f8d5edf32bae7ca4ccbf893996a937abcdeef061f9",
    "signature": "0x79e02d54f7ec190fe5173ac5b16e59e5ed7cb5d4fa5ed10f54c881f66f16920b79386fd547ef7cab9b024fce9748ce6db67097e8c00613e9bd8132af628c79271b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}