{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0x48fb91f4afb2dbd543c88325dcc8c24d255157b409efff97b83f5364ab963282",
    "signature": "0x3d78a7cf0f5fa74d23222c5d7cad3b4e01c3bf9a327e3a4913793d3b5e7ab5aa2bd68b02cb38867536c640a91f65ab4ed538b9cad392fa79c919bd1e00240bbc1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}