{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "884071071",
    "entityType": "User",
    "nonce": "0x96b20e773ccf736b8a4ff2f933082f104dbba20800e02d3f42d1eb8c3aa5466c",
    "signature": "0x8a208eca63f097cbfe8d9e8fb9100409499c2528ffdd0b9089e0a92e9437370610ba9eca7dde6aa9099d93270b3530337559da2565d9f5657cc928ce2291183e1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}