{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x24ae864ed32195bd27b4654db285cd8a5eb2dd378e4cfd53e38265c733302c0e",
    "signature": "0xa274becb5165b1368d30127cac9173b652f53da542b61b6de211c35e16f9b12f09605189c8668796a0e21864cd22ad239ddffa88a5c06a8dccb9fdb23d8e066b1c",
    "signer": "0xF6D20f2623a0F7bB4e277e9f41f28aa4C5408307",
    "userId": "244577402"
  }
}