{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x17974896c7954f85500655dc5bd772372471d993633b65c20dc9f3d50314fc41",
    "signature": "0x2d2bbdb41217dd0de33bd314021b2573136123c4dcd81a7109abd1cdece495b87a9b8e0d5e951ad05dd9d4fa36fcad5475f24b7f485a17430b229778b07a35ea1b",
    "signer": "0x9ED13561F00859bb46f6454dd397973c0B8463f7",
    "userId": "664110358"
  }
}