{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932335106",
    "entityType": "User",
    "nonce": "0x03d78d6d3a9fec2cda95a58b42321bc62acefee40037b1378fbd487103321e89",
    "signature": "0xf768acac7fff8fe30abf775943e53e8fd33fd0c4e88957a62552a942dd1a7ab36ff01bdc62a172ad0888d75d1080000dff741fc1ea1cf679782332d1a9e85aa71b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}