{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313737",
    "entityType": "User",
    "nonce": "0x7b6a17b6b31619c2968dfa31f869b5072b02ce012fc8205f071ddb57f8ddb5e5",
    "signature": "0x4af3b0ab20270af281114aa4b2d34d13785819f05fa9c1b7c38265d2a0e2ebaa3e9c25f0a6eb11366a475307e7a4f0d48422d09fdeb54038a94bf6684328dd081c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}