{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x912b1c62154a3c60f3a655cd167fe3cade9861219e6a02256ed74a7b55d0e4bc",
    "signature": "0x7a67a5f46a928545b1bae263688ea19f8f9daad6e0fa991bd6a9e96e44d2632e2b56c6418832291ffaf2d96474387ad9da90fd15a3068ad51508d6bd91cab95f1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}