{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29907",
    "entityType": "User",
    "nonce": "0xdfb8d191f24bbd265863ca8c2dd1d26ca2b93e189f931449f2c555161202f3e3",
    "signature": "0xf05cd02d34ecdedf7e8107b570813b21c41dc90f74c758cb53a72c660af189545f2db0f02302ac64fab77ae87561c7c99a7568bc4afb8de98900b976bd0131d91b",
    "signer": "0xCd69C2Cb50a21531a08Db7A8333c51532ea010f0",
    "userId": "837274016"
  }
}