{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0x95dca7151a6c0bc8fe0229d8fdd5686b4c2c8f8ec24011a0f1cff72fc27474ad",
    "signature": "0x4356076a6c0650f9cb1ed5c21e3cb8831015a46e7289492e48cc174506c774a61d26226b305716feeaa411904e9bf40742485d1cec83bbebb98de06cb8eaf0dd1b",
    "signer": "0x858Be7885D181415aF81b736714608bbff4936d2",
    "userId": "357460890"
  }
}