{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xc62a2dc1c6480ecf4907b98bafe3cd7fc9d1b6a9b70cd26ae8b39ef34877bc59",
    "signature": "0xa823b2421de5ed10d61ee5edf8d1d3c2b4fe0ac851339e451f09da43ae9ef1be7600c5eebedfd5554cc55c7f2113ad23d93d422d300f1825310950ce4ee5b7681c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}