{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "911954760",
    "entityType": "User",
    "nonce": "0x994c59cdf6ae4987e1e1b39c6622f40e047693df6f081a949da18463a7216e24",
    "signature": "0xec221d14d7254ea84ea1b5850f7cc4f1ba60fdd9b705d6d4e93658938343b83a61a11f9e570ef0d75e9c868e8e24f406c1be78a04e56811e1590154c62d73dc41b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}