{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe41de6d3587d7c1f83797cf046411e021c5881b804c4ef950cea0421b5f58701",
    "signature": "0x92d79e644176ae4958204de286a583e286a36a0951823a46ece03fb0c5aef3c2394f69d59208de7518e24504ffb1c213c97963f3bd1d91cc98c7c41b539587ac1c",
    "signer": "0x9e591CC0bd57b7f77f15a3B1b7e8347ecE22f0eC",
    "userId": "465248143"
  }
}