{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7f1a56fc0b45634a0c0a7348582de45a6b1858ae0f9f9eb7e7da7f64957f9d79",
    "signature": "0x1e13980335da274a70353bac8ddb14d800b8df4c3c69609c81f779aeb1f3d8040b1531acc59750c37ea5c8e2f377a067692b821198679cbdfb3124beff684bd91c",
    "signer": "0x67c92301a1c194b752AF4aDbC196f305de473e90",
    "userId": "532015383"
  }
}