{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323324",
    "entityType": "User",
    "nonce": "0x22b1ffe7b84bb0aaaaa6413456ced6976aecd06f4496923f2779133cebca14ce",
    "signature": "0xd7149f084bf5eb0a5c777468da568f530da83d85bd03f101eb28b851cbff42ae3b8f5324ecdd215579f6b0866706bb985bcbb6f28e11a736feb83322da01227b1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}