{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80964",
    "entityType": "User",
    "nonce": "0x00d4cd0819e5384f220799defaa85e5865d34af2a96852c6367020d7daf4f72a",
    "signature": "0x2624eec21c90c1a9aa42ca012b278638cdf6133d9d69ae5c0f74c56f56b0686137041d113b6213435fa32c32565911534ef09341b1a2eb60ee8de3e47e8368b21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}