{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38841",
    "entityType": "User",
    "nonce": "0x1d219f123d3421bd50a464ac8247a3548b3878b8ac279f372aba8e56509b13f8",
    "signature": "0x17b2464f04751e8936a06a8963c47e24d9d45ba503c854fe05bd0e2a60a0e0da18bde55327a2228c500b7232c91760b457bc03aaac59338b3443d08a4fb281ae1c",
    "signer": "0xfacdF66002EfDe05aA9536CC8bC11099e6F64435",
    "userId": "706590281"
  }
}