{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7413",
    "entityType": "User",
    "nonce": "0xd4c649310c91a85bca1b6d5257c1ae81d529d677712e0b2a4ef5ae3bc9c8c9a9",
    "signature": "0xc4ce06093b7f92e23b98e4cda88452f4570ff2923bccc654f0ab19cabbf05c07666176f69eeaa638437225e3ebc74bee71ffd6d56c93bde373eb888206197d731c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}