{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "23428",
    "entityType": "User",
    "nonce": "0xfd4632db6b06c4e3b73d5a3f877640f4664c3a3d36ef17b0dc767cb59e95f3fe",
    "signature": "0x3112ee4f71dde3fce6401100ab0701f92f1d5beed40f6ec31467a1c436bb2a7d444faee684895c09b09c12c8c3dedd761ce334755b342320948703f082da20131c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}