{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x2b9d46f5807cb60469df33ee3ee4f84b29eb680b56ccbfcc0cd6a6558453ef1e",
    "signature": "0xad33213c20e69eab1e32034784e71aa67f6c923afa7e28c1e4252b439f88648a4e190804e8ce20300994dce76f219cd82c8ccf4865d274082e0c4f5755e16cf91c",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}