{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xfe8690bfc8a9f6cb9e5b2f1ac1edf0626daf88440cf60c238ee9fd48a93169d4",
    "signature": "0xc4e25d9f30b3bdb38fdcfba48e74df95d9de1f5115f3aa6120dcfa2a9a5dd43829142396c15058f0ef9e95a64e4365ba3f23dd9fea0a8e23065f6b97491809f01b",
    "signer": "0x134f5c1f8716402474824c6A0AE855af1E3053eB",
    "userId": "462352719"
  }
}