{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4733690a662bc885732b8dea42dfd7ec230ca082571fe5f46fbce6bc0f3ef5eb",
    "signature": "0x82dab4bcd4d05e5f402d5a048945e03bfc1a1c0c1ecbc4813c42bf671cee3437142227f016fcb672ea305a9116d5016d86f35df1679c81a040f39350fb23755c1b",
    "signer": "0x67f0DD24C108EB5Da1Bb212489834f2f6912C5B7",
    "userId": "512888028"
  }
}