{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x167c26dc3df3c6fe6658c2a0ea47ead7f9e61cdf19d00cdf902fa0f67d851851",
    "signature": "0xc7b4fc65bf566f2b096be18bbcc85037a971b5e7bd8965bd1adf38a074bd77db1fc7767de42a9fc651fe3cd66e8349963c8e521f94a60465c8d1db1a79fd28601c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}