{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55417",
    "entityType": "User",
    "nonce": "0x647af2bbf8920c7ba6dec6cf93e056462449cc6cdbb5b617dcf026e6219215c2",
    "signature": "0x0841670d20a50c3853fe2ba3aed17d0408f7e0f0089789cc2945903a962df8bd69e10fe171b2f4fde9ca97bb07214992ea1bf024f43d2a7931e90bdd785362aa1b",
    "signer": "0x222534475146193b99B68F2E3830ED2b44307C2D",
    "userId": "991417453"
  }
}