{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463878785",
    "entityType": "User",
    "nonce": "0x699dd057b1eb3ffbfcdcfb1ef01c092d0ca38e480e238808394cf6fbd08be991",
    "signature": "0x8e5da5abdcefcd541f596c33093e2bcf93cfe37eb735ba50c94ed5ba035ce0753f8a1d1aa5f7a25e4be245a8ec40dfce67466048b0e093abbb245e80fed50d2e1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}