{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64480",
    "entityType": "User",
    "nonce": "0x428ea79a9e65c8227918ee53615de30c9ef9e4fe54dfd7b287c583fdaae8f73a",
    "signature": "0x4a26e67a6883b1de0d437ee9dc11fe1e4dbdafe1acc3119f5ffa55905faba916013a4a8b166e8b0228302e76f4bbcd0860bfe1c5c98c9eaf31bae31870e9faa21b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}