{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xe1775a7c16f6abcf9a65a28f751fb49967452190d41cab9dd4d66433ed32e0e9",
    "signature": "0x889663d939cf65a32f610c39a24c3ff00c9f667dc7c7c780dfc009d92fd89af76a37664d878e4e1abead92992fdb30fd0e1aca54056b493fbec535aa7b361cae1b",
    "signer": "0x1aA9cc552a00C91582594402085D7d3442Ea9DD9",
    "userId": "41889862"
  }
}