{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53600",
    "entityType": "User",
    "nonce": "0x04cc14738963bd0602f3667b7cde146f54421c5b621f65985aa459c101c89b36",
    "signature": "0x5df4ae45fb6c7275d6f29737610d0489c8d13672795ccc9f994a08f2a6af718716cd357baaa98f589359172e3635c27e7257d730a7b740dde9a12050e5d9c1ab1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}