{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaf29cd3d3fad013e03f664b53dfab5e6730dee3bad36ff3ca4086c1559e76af8",
    "signature": "0x85606018028c8810f889a90f2d58afadca4ba88ebc491de349f9bd0bd35661bc60cdfdb92ad7ce900a25d29a346f51d75a2ee048a69079d2f41fe38cee9caed51c",
    "signer": "0x3F11C9FC3f1Da6207f51f99A3A3D5eE10A91C9Ee",
    "userId": "54091821"
  }
}