{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76829893",
    "entityType": "User",
    "nonce": "0xe6290336bbfa45187690101ed17018c25a079c57dfbe135d7caa20d30851cce9",
    "signature": "0x532b1ba4a8f01b50158c3c5d7a97bfd7d2550d598556298bfe84154237c783a334f0d3208d31e92c17fde74b94d9db7cc0c9db6426b15722cb7a321dbb285ae21b",
    "signer": "0xb0C0D4aeB9E54C4134CC1a365917De16510FE5d2",
    "userId": "430326864"
  }
}