{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x71f4c9e0b3467ab3a81000fd5a49ce1d4138c249e7e570cb972e25810b8dd92c",
    "signature": "0x02c3182bc6b23df4b1b7813409e698631f81901ee447928f25d2c5c3896471723e86fff7c4b0634b5f9cbd51b561e6333f2b82a740c22048c73d854ed5617f921c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}