{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f765fcbd58445cc9737446d437536cca47361e81d88714390cabaa8599e46d3",
    "signature": "0x68f3d94a73e2128ff922c8d552ec2d6dd9f60bcfa4bb6b67306853e4c9f8d2cb3d120f1abee51495a7a34a79fbb014581385e3d24d4decb0cf8865f122c3feb11b",
    "signer": "0x94e50caCD7a798747FBe7131E5A0e36a9ECe9Cee",
    "userId": "341642673"
  }
}