{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x6d395746037daa3fcb613bbbb758ce1af8cc531aa9708481e0d875dbad1590c1",
    "signature": "0x61b4926e39ab088a52708f619aaafa386f70ceb31a061cf4058a4243f97219377b5803860960f6e66a9731299416f9793cf0c3570c037d7a584f100412efeeeb1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}