{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5c5fdf835b80d01377c928a7f084df8c3f157c0480bbc7974fbcd40ecc77783f",
    "signature": "0x0abc3ad9a45bc22b3f8983c6d20576c5b0e34f512c7579b17a7cab128d2afe6d47a62f844f09a16a5c11ca8b49b7c006e24e395b77a7ac49eced22f39dc7f5ab1b",
    "signer": "0xdb5Cb435b7cb6239B66F90AE3D80297c020464d9",
    "userId": "829458818"
  }
}