{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206681",
    "entityType": "User",
    "nonce": "0x445773b1e8182a8834fe598bcb881d0030befb09f044d3739b10adf3dc79bcf0",
    "signature": "0xa3e9dd344ccdaf8c2191a9a640734074313780677f0e734b90491d54a11c6bb718e340d71c01aba31de3286f758da00fbd18ea4ab1e0c8b8255d4e8a703467271c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}