{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x682a86cfce36a95bd19852654d394e6bda914ca2e57c0bb2e473b0bd11cf9eb5",
    "signature": "0x9ffd448a430dec0269f3f8646124ced44bb42e580147c14a9f91151ca6dc10ed74155b2583de7c19ace28393fc6ebf77e279b669be45b9461f0b9baa24987de31c",
    "signer": "0x657569920c437BA9bF0ab2e1ab77DE9d217dCE9F",
    "userId": "131399279"
  }
}