{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962634039",
    "entityType": "User",
    "nonce": "0xb7ddfc8d13060e649832aea09451a6746bd3449b7ecddf9fceebd7fb744da554",
    "signature": "0xbd46f2939aa22f50e392c4c176e16dbf64a180ab4b814e1f830543e6ab06f0317c3abf3568269ff0d6a0449fee8eb2c834f4d60a91a0883e78fae707052844931b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}