{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4e0816750bdc6a7c51d8423b7abcfcbf1e4874a7d8f36f98a64caaf43a6df712",
    "signature": "0x0a00865b44a82972d04d6a9f29e63064843e5a94a49669e7d24fe4329c0087bd7d1d9c0a68987554860d3aa2d9850b7290ec141aadfab41c66f8911d8f47bed71c",
    "signer": "0x0aB23E84C732c309265d2B19b0FA62C56c001eCA",
    "userId": "699518986"
  }
}