{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51425",
    "entityType": "User",
    "nonce": "0x421e21a72478415894fda1055befbb62270c3b39222b43c85e961f273dc06a11",
    "signature": "0x297b25248c1bb7e53484d7ff7a513c3b52220bd98cd537fa57d4f80ecc3e67dd4c165d5f26fde1fe519ea198f219395e92f024d950abdb7ed4937bdff3ef09401c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}