{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xbcb7d716fa4736c0e0642c82ad22aa261e139f5d0c6ee2485cabb177db360315",
    "signature": "0xf6554ab27cc27627308f90cbd1c9c92517c429ff140630665acd15d36b2734f317c7a7f3fcf79aaa02d3f4e46cea7562c5bd58f8354b6af5659bb575655612301c",
    "signer": "0xA499e25CB9E3d271e0a032dcFF48C75EB001476b",
    "userId": "179264467"
  }
}