{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764",
    "entityType": "User",
    "nonce": "0x23b7192efa943c3a49187e9b0186e82d9bd13468f0ba2fb741aa354bc638e723",
    "signature": "0x9029682a6611db80f3c2b0298cea9f6de862f0f1baf4534b96b93dbcff19507440ddbc2ab3ac319bdaf2dbc68e0adc4b43722bdc197f8db33de55a670f8addbe1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}