{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "924499982",
    "entityType": "User",
    "nonce": "0x345b9b95578056565d979cf535932d7437480e5cce649e10a66256178aa43d28",
    "signature": "0x4b452df036ac3ccea7b1febef67cf4d82d36a13e32fc1a869a873c3f1c218fec6042c899b30af2cc16cce39cca35f92b662ca7ab1af8951b2291b8ca5a3ca4a41b",
    "signer": "0x18C35e09FdCBA1Ad37AA308645Bc07dC7766EA47",
    "userId": "995383465"
  }
}