{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20618",
    "entityType": "User",
    "nonce": "0x3c96c6151cf9278444a770632ffb8c8b6e11a779a658764b7bb1bb4518b7bf93",
    "signature": "0xd30ac36b698b621c348f9a2b9d0da6204166891a1547147e3480aea747ddc5ab783ae9ed1cc6b5d39452143569b0b3046ab4dfde1be33b98386cb4d1e5be90181b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}