{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x7d5594704f0de1465482c144690be0e965a38e61fe5da0114335ca69fd9db093",
    "signature": "0x2da0296ec4340bca7f77cb181b4e51dcd7092a0f01020f740afde79ae68aeebf17a92d8052b7c2be5a54195a4053951ba40098c0ed1766a8a138a80fd89f94ca1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}