{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776087",
    "entityType": "User",
    "nonce": "0x9c8a87be31e6dc9c11cd1925e7a6d6692639c47bd054ee9297bc64bcbf9ae226",
    "signature": "0xd0c003fa9caf1586af6c400b92da17b0cee90d005afe7ce5a3337cbff413258c439088ee9ad03370cf3711754b51a62b6047a3c32dd94f2c649eb863503110c11b",
    "signer": "0xf6eca2c1CDE9e52553c4636a5999b354714F0493",
    "userId": "574972460"
  }
}