{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "45081176",
    "entityType": "User",
    "nonce": "0x89fbee1fb20fead4a81bcee835a540546710b50dedf2bb2ca8d024050f342aa0",
    "signature": "0xd8ae9ee0dc29e31012e2cab72d95fffca22f94d89ad0d689a29c3999c13a6a211c71e49e24f5a38df09a78af1273574aed65aa0083e09afcc10e3890ca7961851c",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}