{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "24481",
    "entityType": "User",
    "nonce": "0x5e5d58940f520864157cf7e9d733780d90d423190fa8338c724a922b0b9d0bfd",
    "signature": "0x3ead031a0a59cd5413074162557ec11ecd0d06908c568059ab4f69142a4ed53600dc3cd19aa852586fd38ae769a777598045a58379ce5f2f3c9d7a5de92661061b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}