{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7906",
    "entityType": "User",
    "nonce": "0x52958af38a16d30b9c072b1fc5318b88090ed45d6a396448b65d7c959b894297",
    "signature": "0xea35b9b834d534e111a406c062dfcd485ba05e83cc18ae38db2244c62c8c2c4921aac87c306a9bdbc83f8df84098c8ee198498dd68a766f04e2145d63f2424b81c",
    "signer": "0xCadb35b037c9B660c6E92A375F3d8758501B15Ee",
    "userId": "28894287"
  }
}