{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152450",
    "entityType": "User",
    "nonce": "0x65293c8e3be2becc133fff9da79b220eb8b9db4475b1ee803ece273315c703a5",
    "signature": "0xf3c867aca0deaeb743698f22cca3078efbbe2f45b3eb59eb19b3b0b50a2ae6c90457e887566cda31f74768630f0478649950757ec657952b51f29ae0033bda051c",
    "signer": "0x0eE7CC00e9f61Fa97181E6BB203C97f8b23904e6",
    "userId": "968779607"
  }
}