{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17120",
    "entityType": "User",
    "nonce": "0x0e7a7cc422e760d377c55491d49a3ee19d14794993b9ca977b12042148671282",
    "signature": "0xfccbcc1e2b74d5e13b6762fc538200ca9c8c5d5e9a03045e4132ef9ac929f3125b1a17d984e45a7ac2fa9e994f88eafaa33f2569f6304dbda832015d700c13401b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}