{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83496",
    "entityType": "User",
    "nonce": "0x9ef034c601d278800d7e29e0be295fcd2781bacd9550974ec7873e243b256824",
    "signature": "0x436fa89286f018a5e244b060bd766e30e5e826226abd76829341881b5c42ec76638bc9c875aa05732c8a4fd785a326ea83a741e90b591aba86828a250057c8c11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}