{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3028",
    "entityType": "User",
    "nonce": "0x88866e4928f998700d63cc612c4ae38ddd3f60cef63cd5e7cb06940e5eaa1e04",
    "signature": "0x032c40cae315a2370eebb6bf6bc92f7465030f3d520ce7663dc34f93f0caa3da40ce6ada87db78a6d5adfc7ffa907f052acf19737710a8f6789d3bab2a1253f21b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}