{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaa1246558d8b5a37fc788d3c8d1d4832201eb139ae387d89d6e96adbdf49e8da",
    "signature": "0x0a98b0c3613030e262a40f120a1967d945201671eb608daf308899555980018742e98d98731dbddcb8c250403bd4f230d92f0a4795b3c2153c2262618b49ffe51b",
    "signer": "0xfc0047Ef8f8E03Cb351f4E97498Eed33372fE973",
    "userId": "595465300"
  }
}