{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125856948",
    "entityType": "User",
    "nonce": "0xa00842b41241bf29e78202ac834277b16e07d46e8618f82b66ad93df4f267297",
    "signature": "0xf4e45f52c7568256aea25494e91422d044b69dbc7ebc6e6846d55808cb498c87791736af8980486bc1ffda779cededfc8a733af330062f0351bdc7a064cd42871c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}