{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xbe4d3473a4d72fc78c9025620b20c42508c102b6c45b9389619f9ace957ad1e5",
    "signature": "0xfd920202b579a0f1f01bde5d1b8618323165e1e55f7eb04855fd9dc2b608bb115418ecd0c66490cfb481a223db04cc697ea3bceba5240d65c908fe8d46d163811b",
    "signer": "0x9698A898Ed554B831a7BB69972E1B05eCC560430",
    "userId": "967510490"
  }
}