{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64082832",
    "entityType": "User",
    "nonce": "0x7e514ac60cf0732b60f17fd47cd50457bcf1075017331d8447369f15717e1459",
    "signature": "0x7e07e514d295a016c123ed1778660ae762061ce34f58376ae319de43590c4143677d99b149bca21d64ff1e55de5b360080c5db59a8e72bd2fc1b18d81d8fef741b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}