{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10547",
    "entityType": "User",
    "nonce": "0x29817114d99ed2d7b58d85fd2a25971bb7654b80c95f1436ccd4f4c420330639",
    "signature": "0xc8c2c42ab87cedb220ec6405a7e4d0256bcaa24d3eaed3e390c522ba2c470ed719d4d732038c056af4cdebb8d4e48d119b072a07d5126db47c3b07defc4ed26c1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}