{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "718520160",
    "entityType": "User",
    "nonce": "0xca71d67a94b2c4d48f2d2df973865dcc77e1791ca034c2cc7926ef2b31e92620",
    "signature": "0x01be5e09247cfeda8f548ce6b50081de6d38266a633967c8be8c6b162e71bc6625e9c270724c980dd1bc24c4358f47b9f5874f6b12c99abfe106d8921039fe771c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}