{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55875",
    "entityType": "User",
    "nonce": "0x1aa6a4c4f6978c20625932b97bd0630d250d9121a86bf84a99601b047b95f96c",
    "signature": "0x0c6d1e260e38f763d6be159384204075c5be586d4bd6da81ab4993d1eeb069976d54deddb6765c3ed9f3ed3ce68412e05e93617850cebe931919def6466d6c5a1b",
    "signer": "0x62858Eef13b4A2ef7cAD9Eb37D1a547102a55A2B",
    "userId": "238991585"
  }
}