{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x127b884bcc4b0ae648898b283248b04a675656e8ce63716bef722e23e4aed227",
    "signature": "0x9f6ee1e3ccb7566a0ca4ed8e02d21be48be67837b9168b88f9437b977db8d9ca3189c4252a7b6d5edc9e26e9f185918efb35ac2a781d5f09d4cecb9d56807d4c1b",
    "signer": "0x18eCB97d7397095705C527E23EfB6f7A2dC1b185",
    "userId": "37788393"
  }
}