{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0x9ecc07d054ded24a44a087c54b85dd267a455ee8f9cb1e66ad4896e4091531be",
    "signature": "0x96644759fcbf84ac16c610e8e6a1447e676fdb5c53f9a6f0740ef240ca168df70af837f89df29c0e020c5586825151932c8d2cc83c3f39e9454e3e7f9e670cbf1c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}