{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39659",
    "entityType": "User",
    "nonce": "0xad0218267dca8e8e761560cc0a2d8aed20e5cbfa06c6d39b83b26f2f9155face",
    "signature": "0x57da65dffc83d0bcdc59737ff19fc03203c7d18375019f791d57ff67ffbc3b09377fa4fffdc01bd948434f870a6297cb191ee8c6428956521fdaee8e6117dfbe1b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}