{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1696734",
    "entityType": "User",
    "nonce": "0x9e344887b0300ffcd6cf1532a73515b4763115dd36d0378cbf48329f8958ba6e",
    "signature": "0x67f7cffaa98ba3e80dbb092d4e546a9500da9aaf4d793ed858ad074c9631a3875e5072615d6aec8e845f2b43e858b417a848344485c4c2ae893831fb2c2c49341b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}