{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176437051",
    "entityType": "User",
    "nonce": "0xeac37da0429ac07eef2803652cf8c83e0d62007fb7186f222ccf6f4a4b1a5e95",
    "signature": "0x635c3deb8282f4a363b5b676673dc748bc9491278ad69a4584c81fc345ed057a7b7ef8b1e08c916d4d751ad986eafe9815effde848f2ddacada19b9751ae5c521c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}