{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0x3310d64a5cb9b1ecf4ab936b3596288aa0c50c1476285597b7957f98fb1d365d",
    "signature": "0x002b69b2e9f9c26a31708b85baf1683d409a697fcd4997f0e9b55f7eaf9f6ca925c30b2fab36eb401008acb2cb325eb7875e0c34f15327467561d9b0d5cdbe511b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}