{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51962",
    "entityType": "User",
    "nonce": "0xff0ff75fa7ad9bea94d3a47aafd639ca05d26ac3ee890491166ef182a131cdde",
    "signature": "0xcde261ecefb07e74fec4754d7a9047a321ce440649baca35bdcbfa97f6ff5d4855f07abd9b377bed37a1869afdb4c6660b9e7f3472a2d44f5ef67cd7e9b9da391c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}