{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16051",
    "entityType": "User",
    "nonce": "0x32029f06d24fc24904c4da6acadb744510d30c96d5aa2f1633413a1ad9250e2b",
    "signature": "0x14a5958ba9f49c9ed17a096e0149381b13ec66d8905861239f2808a0c38d4611073b74915d9c8e5aaca4ca183681b85abb78702c91723f428a2dfa4e6ca20e781c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}