{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xbf4f15f198f6879fcc9ffcd0b70a91312c6a7d847a5afeb797442d3a82e92031",
    "signature": "0xbc4e479b57d4383e97a8654b1c06a634939a7f0363f6af0489b1a9d299e2aa5c03f0a241e9a71f652b2be887967c8b087f2050d9311abc34185d7341ca4ab76b1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}