{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164127",
    "entityType": "User",
    "nonce": "0xb02385a62a20c5d2043f3c3d06c63bc074101679f191ed7afcc6d42d09d81fd6",
    "signature": "0x48814b29c55166cd7db10ee2a1f80e755875a9ddfa092e0557fc884fd482075f1fcc956798e522fc0c72965bda58fcd8f65fbce55d61e82690b1ca9ad657ae3f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}