{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136098",
    "entityType": "User",
    "nonce": "0xf69ea61259ad782b1f6323cbde80b2925740112e4c1d25a4ee0a6e3af376c15b",
    "signature": "0xdc85fdbc92a46813a73227f9186a72649cf8fed1a965c2be44a2a3e4d235f45a4f9485783ce59ed79b0256507f2a778ad21745f00f9e8af66ad75d2b50167aa81b",
    "signer": "0x9B90A5c34B6571d742aBcD603a49eF5523684826",
    "userId": "998764026"
  }
}