{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54858",
    "entityType": "User",
    "nonce": "0xc76d03621a7fd350ae487d116f8ee972edb1593a82a89aeee8874813efaf759f",
    "signature": "0xba65c51b769633c5960b0a440fb3014c2bcee2416c21362982cb3743c6159fa51d00b038c57c5b9e9414b8585aa0c90794d2904331dc04b5d3cd15e7c58888d71c",
    "signer": "0x0eE7CC00e9f61Fa97181E6BB203C97f8b23904e6",
    "userId": "968779607"
  }
}