{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "447081832",
    "entityType": "User",
    "nonce": "0xf49614d6381c2773fb8983271dbfc985f4cf6aed999de376c8b7205ba67f3a03",
    "signature": "0x3f73c9235a6b6e2cc3924065c760cf4eba0e14644c8d2e3a35c2779cb3df2697109bc983f113a85d3cee34f80034f9ec24a77e1c60bbd7e51960fd693eed01a21c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}